Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/139900
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dc.contributor.authorGu, Junen_US
dc.contributor.authorYang, Qinen_US
dc.contributor.authorLiu, Yuen_US
dc.date.accessioned2020-05-22T07:32:24Z-
dc.date.available2020-05-22T07:32:24Z-
dc.date.issued2018-
dc.identifier.citationGu, J., Yang, Q., & Liu, Y. (2018). A novel strategy towards sustainable and stable nitritation-denitritation in an A-B process for mainstream municipal wastewater treatment. Chemosphere, 193, 921-927. doi:10.1016/j.chemosphere.2017.11.038en_US
dc.identifier.issn0045-6535en_US
dc.identifier.urihttps://hdl.handle.net/10356/139900-
dc.description.abstractThe conventional activated sludge process is increasingly receiving concerns for its high energy consumption and excess sludge production. To cope with these issues, an A-B process for nitrogen removal via nitritation-denitritation was proposed in previous study which showed the possibility to achieve energy self-sufficient wastewater reclamation. However, nitritation-denitritation in such a process could not be sustained due to excessive COD capture at A-stage. In this study a novel A-B process configuration in which a portion of influent was directed to B-stage was developed for sustainable and stable nitrogen removal via nitrite shunt with minimal impacts on energy recovery. In this process configuration, the bypass flow was found to significantly shape microbial community structure by enriching ammonia oxidizer and denitrifiers against nitrite oxidizer. As the result, about 78% of total nitrogen was removed via nitritation-denitritation. In addition, the potential energy recovery and sludge reduction were not compromised in the proposed A-B process with the bypass of influent to B-stage. It is expected that this study may offer a feasible engineering solution for concurrently achieving direct energy recovery from wastewater at A-stage, and sustainable nitritation-denitritation for nitrogen removal at B-stage.en_US
dc.language.isoenen_US
dc.relation.ispartofChemosphereen_US
dc.rights© 2017 Elsevier Ltd. All rights reserved.en_US
dc.subjectEngineering::Civil engineeringen_US
dc.titleA novel strategy towards sustainable and stable nitritation-denitritation in an A-B process for mainstream municipal wastewater treatmenten_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen_US
dc.contributor.schoolInterdisciplinary Graduate School (IGS)en_US
dc.contributor.organizationAdvanced Environmental Biotechnology Centreen_US
dc.contributor.researchNanyang Environment and Water Research Instituteen_US
dc.identifier.doi10.1016/j.chemosphere.2017.11.038-
dc.identifier.pmid29874767-
dc.identifier.scopus2-s2.0-85035010528-
dc.identifier.volume193en_US
dc.identifier.spage921en_US
dc.identifier.epage927en_US
dc.subject.keywordsA-B Processen_US
dc.subject.keywordsBypassed Influenten_US
item.grantfulltextnone-
item.fulltextNo Fulltext-
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